Backrest of two-wheeled vehicle

Abstract

The utility model discloses a two-wheeled vehicle backrest which comprises a backrest body, bending joints, connecting pipes, adjusting rods and connecting arms, the two sides of the backrest body are connected with the connecting pipes through the bending joints, the lower ends of the connecting pipes are adjustably connected with the adjusting rods, and the other ends of the adjusting rods are bent, extend out and are adjustably connected with the connecting arms. The problems that in the prior art, a two-wheeled vehicle backrest is unreasonable in structural design, the height and the front-back position of the backrest cannot be conveniently adjusted according to the personalized backrest requirements of different heights and weights and different riders, and the use comfort of a user is affected are solved. According to the two-wheeled vehicle backrest, the height of the connecting pipe can be adjusted through the bent two ends of the adjusting rod, so that the height of the backrest body is adjusted; by adjusting the connecting position of the adjusting rod and the connecting arm, the front-back position of the backrest body can be adjusted, so that the personalized requirements of drivers with different heights and weights and liking different riding positions are met, and the comfort degree of the backrest to a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary backrest structure design for two-wheeled vehicles, in particular to a backrest for two-wheeled vehicles. Background Art

[0002] Two-wheeled vehicles, such as electric cars and motorcycles, are an essential part of modern transportation and are closely integrated into people's daily lives. Their flexibility, convenience, energy efficiency, and environmental friendliness have made them popular with consumers. In daily life, two-wheeled vehicles are not only used for short-distance travel and commuting, but are also widely used in logistics, distribution, leisure, and entertainment.

[0003] Although two-wheeled vehicles are widely used in the market, the backrest design of existing two-wheeled vehicles has many shortcomings. Specifically, these shortcomings are mainly reflected in the following aspects:

[0004] Lack of comfort: Many two-wheeled vehicles lack backrests, or the backrests are located a considerable distance from the driver. This can lead to fatigue, pain, and stiffness in the lower back during extended riding. This not only affects the driver's health but can also reduce driving safety.

[0005] Inadequate functionality: While some two-wheeled vehicles are equipped with backrests, these are often simple in design and lack the necessary adjustment and support. This results in the backrests being unable to accommodate the height, body shape, and sitting posture requirements of different drivers, thus reducing driving comfort and convenience.

[0006] Inconvenient installation: The backrest installation process of some two-wheeled vehicles is cumbersome and requires the use of specialized tools and skills. This not only increases the installation cost but may also cause damage to the overall structure of the two-wheeled vehicle.

[0007] In view of the shortcomings of the existing two-wheeled vehicle backrest design, it is particularly important to improve its technical design. By improving the backrest design, not only can the comfort and convenience of the driver be improved, but also the safety and market competitiveness of the two-wheeled vehicle can be enhanced.

[0008] It can be seen that in the existing technology, the design of the two-wheeled vehicle backrest structure is unreasonable, and the backrest height and front and rear position cannot be conveniently adjusted to meet the different heights, weights and personalized backrest requirements of different riders, which affects the user's comfort. Utility Model Content

[0009] In view of this, the main purpose of the present invention is to provide a two-wheeled vehicle backrest that can adjust the front and rear position of the backrest body, thereby meeting the personalized requirements of drivers of different heights, weights and preferences for different riding positions, and improving the comfort of the backrest for users.

[0010] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:

[0011] A two-wheeled vehicle backrest comprises: a backrest body, a bending joint, a connecting pipe, an adjustment rod and a connecting arm. The two sides of the backrest body are connected to the connecting pipe via a bending joint. The lower end of the connecting pipe can be adjustably connected to the adjustment rod. The other end of the adjustment rod is bent and extended and can be adjustably connected to the connecting arm.

[0012] In a preferred embodiment, the bending joint is a universal joint, one end of the universal joint is connected to the backrest body, and the other bent end of the universal joint is connected to the connecting pipe.

[0013] In a preferred embodiment, the bending joint is a fisheye bearing, the fisheye rod of the fisheye bearing is connected to the connecting pipe, and the other end of the rotating shaft passes through the fisheye bearing and is fixedly connected to the backrest body.

[0014] In a preferred embodiment, the bending joint comprises: a threaded rod, a ball head, a ball cavity head and a bending cylinder, one end of the threaded rod is fixedly connected to the ball head, the ball head extends into the interior of the ball cavity head, and the lower side of the ball cavity head is fixedly connected to the bending cylinder;

[0015] In a preferred embodiment, the threaded rod is fixedly connected to the backrest body, and the bending cylinder is fixedly connected to the connecting pipe.

[0016] In a preferred embodiment, limiting grooves are respectively provided at both ends of the adjusting rod;

[0017] In a preferred embodiment, connecting holes are respectively opened through the connecting pipe and the connecting arm, and a nut head is connected to the outside of each connecting hole, and a limiting member is threadedly connected through the nut head.

[0018] In a preferred embodiment, the limiting member connected to the connecting arm is a countersunk screw;

[0019] In a preferred embodiment, the limiting member connected to the connecting pipe is a butterfly screw.

[0020] In a preferred embodiment, the limiting groove is an annular groove.

[0021] In a preferred embodiment, the connecting arm includes: a rotating drum and an extending plate, the rotating drum and the adjusting rod are sleeved, one side of the rotating drum is fixedly connected to the extending plate, and the extending plate is fixedly connected to the vehicle body.

[0022] In a preferred embodiment, nuts are fixedly connected at both ends of the backrest body, and the bending joint is threadedly fixed in the nuts.

[0023] In a preferred embodiment, the bending angle of the adjusting rod is 60-85°.

[0024] The two-wheeled vehicle backrest of the present invention has the following beneficial effects:

[0025] The backrest of a two-wheeled vehicle comprises: a backrest body, a bending joint, a connecting pipe, an adjusting rod and a connecting arm. The two sides of the backrest body are connected to the connecting pipe via a bending joint. The lower end of the connecting pipe can be adjustably connected to the adjusting rod. The other end of the adjusting rod is bent and extended and can be adjustably connected to the connecting arm.

[0026] The invention solves the problem in the prior art that the backrest structure of a two-wheeled vehicle is irrational in design, and the backrest height and front-back position cannot be conveniently adjusted to meet the individual backrest requirements of riders of different heights, weights and different riders, which affects the user's comfort.

[0027] The backrest of the two-wheeled vehicle can adjust the height of the connecting tube by bending the two ends of the adjusting rod, thereby adjusting the height of the backrest body; by adjusting the connection position of the adjusting rod and the connecting arm, the front and rear position of the backrest body can be adjusted, thereby meeting the personalized requirements of drivers of different heights, weights and preferences for different riding positions, and improving the comfort of the backrest for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 Schematic diagram of the structure of a two-wheeled vehicle backrest according to one embodiment of the present disclosure;

[0030] Figure 2 Schematic diagram of the structure of an adjustment lever of a two-wheeled vehicle backrest according to an embodiment of the present disclosure;

[0031] Figure 3 Schematic diagram of the structure of a bending joint of a two-wheeled vehicle backrest according to one embodiment of the present disclosure;

[0032] Figure 4 Schematic diagram of the structure of a connecting arm of a two-wheeled vehicle backrest according to one embodiment of the present disclosure.

[0033]

Main component symbol description

[0034] 1. Backrest body; 11. Nut;

[0035] 2. Bend joint;

[0036] 21. Threaded rod; 22. Spherical head; 23. Bending cylinder;

[0037] 3. Connecting pipe; 4. Adjusting rod;

[0038] 5. Connecting arm;

[0039] 51. Rotating drum; 52. Extending plate;

[0040] 6. Limiting groove; 7. Connecting hole;

[0041] 8. Nut head; 9. Limiting piece. DETAILED DESCRIPTION

[0042] The two-wheeled vehicle backrest of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments of the present invention.

[0043] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0046] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0047] like Figure 1-Figure 4 As shown, the two-wheeled vehicle backrest comprises: a backrest body 1 that supports the back of a two-wheeled vehicle rider; a flexing joint 2 that limits the backrest body 1 and enables adaptive rotation of the backrest body 1; a connecting tube 3 that extends and adjusts the height; an adjustment rod 4 that cooperates with the connecting tube 3 to achieve height adjustment and with a connecting arm 5 to achieve fore-aft adjustment; and a connecting arm 5 that connects to the two-wheeled vehicle body. The backrest body 1 is connected to the connecting tube 3 on both sides via the flexing joint 2. The lower end of the connecting tube 3 is adjustably connected to the adjustment rod 4, which bends and extends at its other end to adjustably connect to the connecting arm 5. The flexing ends of the adjustment rod 4 allow the height of the connecting tube 3, and thus the height of the backrest body 1, to be adjusted. Adjusting the connection between the adjustment rod 4 and the connecting arm 5 allows the fore-aft position of the backrest body 1 to be adjusted, thereby meeting the individual needs of drivers of different heights, weights, and preferences for different riding positions, thereby improving the backrest's comfort.

[0048] The overall structural design is simple and can be easily connected to a two-wheeled vehicle. The connection of the bending joint 2 ensures that the backrest body 1 can rotate adaptively, thereby meeting the requirements of improving user comfort and improving the stability of the rider's back support.

[0049] In existing technology, some backrests require the trunk rack to be moved rearward to ensure proper installation, severely impacting the trunk structure. Furthermore, the trunk rack connection requires extending from the rear seats to the front, significantly impacting rear passenger comfort. This two-wheeled vehicle backrest, through an adjustment lever and connecting arm structure, can be connected to both sides of the vehicle body, completely avoiding the drawbacks of the trunk rack connection and providing convenient passenger comfort.

[0050] In a preferred embodiment, the bending joint 2 is a universal joint, one end of which is connected to the backrest body 1 , and the other bent end of the universal joint is connected to the connecting pipe 3 .

[0051] In another preferred embodiment, the bending joint 2 is a fisheye bearing, the fisheye rod of the fisheye bearing is connected to the connecting pipe 3, and the other end of the rotating shaft passes through the fisheye bearing and is fixedly connected to the backrest body 1.

[0052] The universal joint or fisheye bearing in the prior art is adopted to reduce production costs.

[0053] In another preferred embodiment, to meet personalized requirements and improve product comfort, the bending joint 2 includes a threaded rod 21, a ball head, a ball cavity head 22, and a bending tube 23. One end of the threaded rod 21 is fixedly connected to the ball head, which extends into the ball cavity head 22. The lower side of the ball cavity head 22 is fixedly connected to the bending tube 23.

[0054] In order to ensure the stability of the connection, the opening size of the ball head cavity extending into the threaded rod 21 is smaller than the diameter of the ball head; in order to allow the connecting tube to open to a certain angle on both sides away from the vehicle body, thereby improving the adaptability of the entire backrest assembly to different types of vehicle bodies, the opening size of the ball head cavity extending into the threaded rod 21 is larger than the diameter of the threaded rod 21, ensuring that the threaded rod 21 can not only rotate on its own, but also swing within a certain range.

[0055] The threaded rod 21 is fixedly connected to the backrest body 1 , and the bending cylinder 23 is fixedly connected to the connecting pipe 3 .

[0056] In order to facilitate the adjustment of the position of the adjustment rod 4 relative to the connecting tube 3 and the connecting arm 5, thereby achieving the adjustment of the height and front and rear position of the backrest body 1, limit slots 6 are respectively provided at both ends of the adjustment rod 4; through the adaptive connection of different limit slots 6, the height adjustment of the connecting tube 3 and the front and rear adjustment of the connecting arm 5 can be achieved.

[0057] Of course, in order to achieve the connection between the connecting tube 3 and the connecting arm 5 and the adjusting rod 4, a connecting hole 7 is respectively formed through the connecting tube 3 and the connecting arm 5, and a nut head 8 is connected to the outside of each connecting hole 7. The nut head 8 is threadedly connected to the limit member 9. The limit member 9 is conveniently disassembled and installed through the threaded connection, thereby facilitating the assembly of the entire two-wheeled vehicle backrest.

[0058] Since the possibility of front and rear adjustment is relatively small, the limiting member 9 connected to the connecting arm 5 is a countersunk screw; the countersunk screw ensures the smoothness of the surface and improves the overall effect of the product.

[0059] Furthermore, to prevent the seat cushion from being blocked from opening and to ensure access to items within the seat bucket, a butterfly screw is provided to prevent the seat cushion from being blocked. This butterfly screw can be easily turned without the need for external equipment, allowing for easy removal of the backrest without interfering with the opening of the seat cushion.

[0060] In order to ensure that the adjusting rod 4 can rotate around the connecting tube 3 while meeting the limit connection of the limit member 9; of course, the connecting arm 5 can also rotate around the adjusting rod 4 to meet the adjustment of more angles of the connecting arm 5, making it convenient for the connecting arm 5 to adapt to different two-wheeled vehicle body structures, the limit groove 6 is designed to be a ring groove.

[0061] To enhance the connection strength of the connecting arm 5 while also facilitating its adaptation to the two-wheeled vehicle's body structure, the connecting arm 5 comprises a rotating drum 51 that interfaces with the adjustment rod 4 and a protruding plate 52 that connects to the vehicle body. The rotating drum 51 is sheathed around the adjustment rod 4, with one side of the rotating drum 51 fixedly connected to the protruding plate 52, which is then fixedly connected to the vehicle body.

[0062] In order to facilitate the connection between the backrest body 1 and the bending joint 2, and to meet the requirements of the assembly connection between the backrest body 1 and the bending joint 2 made of plastic, nuts 11 are fixedly connected at both ends of the backrest body 1, and the bending joint 2 is threadedly fixedly connected to the nuts 11.

[0063] Preferably, the bending angle of the adjusting rod 4 is 60-85°.

[0064] The backrest of the two-wheeled vehicle improves comfort: the material, shape and support of the backrest body can be optimized to make it fit the driver's waist and back curve more closely, thereby reducing fatigue caused by long-term riding.

[0065] Enhanced functionality: The backrest features increased adjustment capabilities, such as the angle adjustment of the bending joint 2, to meet the individual needs of different drivers. The backrest body 1 can be adjusted in height by adjusting the connecting tube 3 and the adjustment rod 4, while the backrest body can be adjusted in fore-and-aft by adjusting the position of the adjustment rod 4 and the connecting arm 6.

[0066] Simplified installation process: By improving the installation method and structure of the backrest, it is easier to install and remove. This not only reduces installation costs but also improves the maintainability and service life of the two-wheeled vehicle.

[0067] It can improve the comfort and convenience of drivers and enhance the safety and market competitiveness of two-wheeled vehicles.

[0068] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A backrest for a two-wheeled vehicle, characterized in that: include: A backrest body (1), a bending joint (2), a connecting pipe (3), an adjusting rod (4) and a connecting arm (5), wherein both sides of the backrest body (1) are connected to the connecting pipe (3) via the bending joint (2), the lower end of the connecting pipe (3) is adjustably connected to the adjusting rod (4), the other end of the adjusting rod (4) is bent and extended and can be adjustably connected to the connecting arm (5), and limiting grooves (6) are respectively provided at both ends of the adjusting rod (4).

2. The two-wheeled vehicle backrest according to claim 1, characterized in that: The bending joint (2) is a universal joint, one end of which is connected to the backrest body (1), and the other bent end of the universal joint is connected to the connecting pipe (3).

3. The two-wheeled vehicle backrest according to claim 1, characterized in that: The bending joint (2) is a fisheye bearing, the fisheye rod of the fisheye bearing is connected to the connecting pipe ((3), and the other end of the rotating shaft passing through the fisheye bearing is fixedly connected to the backrest body (1).

4. The two-wheeled vehicle backrest according to claim 1, wherein: The bending joint (2) comprises: a threaded rod (21), a ball head, a ball cavity head (22) and a bending cylinder (23), one end of the threaded rod (21) is fixedly connected to the ball head, the ball head extends into the interior of the ball cavity head (22), and the lower side of the ball cavity head (22) is fixedly connected to the bending cylinder (23); The threaded rod (21) is fixedly connected to the backrest body (1), and the bending cylinder (23) is fixedly connected to the connecting pipe (3).

5. The two-wheeled vehicle backrest according to any one of claims 1 to 4, characterized in that: Connecting holes (7) are respectively provided through the connecting pipe (3) and the connecting arm (5), and a nut head (8) is connected to the outside of each connecting hole (7), and a limiting member (9) is threadedly connected through the nut head (8).

6. The two-wheeled vehicle backrest according to claim 5, characterized in that: The limiting member (9) connected to the connecting arm (5) is a countersunk screw; The limiting member (9) connected to the connecting pipe (3) is a butterfly screw.

7. The two-wheeled vehicle backrest according to claim 5, characterized in that: The limiting groove (6) is an annular groove.

8. The two-wheeled vehicle backrest according to any one of claims 1 to 4, characterized in that: The connecting arm (5) comprises a rotating drum (51) and an extending plate (52); the rotating drum (51) and the adjusting rod (4) are sleeved; one side of the rotating drum (51) is fixedly connected to the extending plate (52); and the extending plate (52) is fixedly connected to the vehicle body.

9. The two-wheeled vehicle backrest according to any one of claims 1 to 4, characterized in that: Nuts (11) are fixedly connected to both ends of the backrest body (1), and the bending joint (2) is threadedly fixedly connected in the nuts (11).

10. The two-wheeled vehicle backrest according to any one of claims 1 to 4, characterized in that: The bending angle of the adjusting rod (4) is 60-85°.

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